May 2018
Intermediate to advanced
380 pages
9h 37m
English
>>> from collections import UserDict >>> a = UserDict(a=1) >>> d = dict(d=3) # regular dictionary for comparison

>>> a.data {'a': 1} >>> d.data Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: 'dict' object has no attribute ...